Quercetin- Ascorbate Powder

product on market Powder Designs for Health 🟢 Safety: 100/100
Brand: Designs for Health
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

Label for Quercetin- Ascorbate Powder
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Label Data

1 Gram(s) Serving Size
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
500 mg (833% DV)
500 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 500mg

Other Ingredients

Silicon Dioxide

Label Claims — Verification

❓ All Other
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Recommended Use: As a dietary supplement take 1 gram (approx. one quarter teaspoon) per day with meals, or as directed by your health care practitioner.

⚠️ Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

🧪 Formulation Notes

Does not contain gluten.

Additional Information

Notice: This is a natural product that may exhibit color, taste and density variations from lot to lot.

QUA100

For Professional Use Only

Guaranteed GMP COMPLIANT Products

STORE IN A COOL, DRY PLACE.

Manufactured in an NSF GMP Registered Facility

Product Details

UPC / SKU 8 79452 00092 6
DSLD Entry Date 2013-06-25
Product Type Other Combinations
Form Powder
Brand Designs for Health
DSLD ID 22796
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
148 Meta Analysis
82 Systematic Review
71 Rct
62 Clinical Trial
2 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Other
1 Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI Cochrane
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
PubMed DOI Cochrane
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024
PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
PubMed DOI
View all evidence for Vitamin C →

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